Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply crowd integration efforts.", "supply great integration efforts.", "support grid integration efforts."
"export price international power." » "export prices international power.", "export peace international power.", "export practice international power.", "export price international poverty.", "export price international ports.", "export price international panel.", "import prices international power."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid integration efforts.") or ("export price international power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grid integration efforts.") OR ("export price international power.")).
• Removing quotes may allow a broader search: (( supply grid integration efforts. ) or ( export price international power. )).
• Adding a wildcard symbol may retrieve word variants: (("supply grid integration efforts.") or ("export price international power."))*.